I want to send specific think like (M105) from my Nextion display to Arduino Maga 2560 and the Arduino Echo to this Massage and send something i have defined it in the Arduino code like (temperature).
I have tried (wept) instruction and (repo) instruction but there are not echo from Arduino or in other word the nextion cannot understand the Arduino Echo.
Nextion is doing exactly as told
- is MCU following. Not sure what an Arduino Echo is